es 2.0 support

pom.xml

...java/org/codelibs/fess/api/suggest/SuggestApiManager.java

...admin/boostdocumentrule/AdminBoostdocumentruleAction.java

...web/admin/crawlingsession/AdminCrawlingsessionAction.java

.../fess/app/web/admin/dataconfig/AdminDataconfigAction.java

...codelibs/fess/app/web/admin/design/AdminDesignAction.java

.../app/web/admin/dict/kuromoji/AdminDictKuromojiAction.java

...ss/app/web/admin/dict/synonym/AdminDictSynonymAction.java

...min/fileauthentication/AdminFileauthenticationAction.java

.../fess/app/web/admin/fileconfig/AdminFileconfigAction.java

...delibs/fess/app/web/admin/general/AdminGeneralAction.java

...g/codelibs/fess/app/web/admin/group/AdminGroupAction.java

...codelibs/fess/app/web/admin/joblog/AdminJoblogAction.java

...libs/fess/app/web/admin/keymatch/AdminKeymatchAction.java

...bs/fess/app/web/admin/labeltype/AdminLabeltypeAction.java

...web/admin/overlappinghost/AdminOverlappinghostAction.java

...ess/app/web/admin/pathmapping/AdminPathmappingAction.java

...app/web/admin/requestheader/AdminRequestheaderAction.java

...org/codelibs/fess/app/web/admin/role/AdminRoleAction.java

...libs/fess/app/web/admin/roletype/AdminRoletypeAction.java